heater fan on 1995 GMC Jimmy

the heater fan does not work all the time . When it does not run it will not run at any speed. Sometimes it will run and at various speeds. It has been doing this for some time now. Bill

Asked by for the 1995 GMC Jimmy
2 answers
sounds like your resister is going out or you have a wiring issue, check the resister first if that fixes it your good to go
We have seen the blower motors that are intermittently failing cause this as well